Thomas-betts RZ-NA 441-OMS Bedienungsanleitung PDF herunterladen

Page 1

FOR YOUR SAFETY

WARNING: The use and storage of gasoline or

other flammable vapors and liquids in the vicinity

of this appliance is hazardous.

If you smell gas:

1. Open windows.

2. Don't touch electrical switches.

3. Extinguish any open flame.

4. Immediately call your gas supplier.

WARNING: Improper installation, adjustment,

alteration, service, or maintenance can cause

property damage, injury or death. Read the

installation, operation, and maintenance

instructions thoroughly before installing or

servicing this equipment.

Operating/Maintenance/Service

Instructions

The information in this manual applies to Model Series DV, di-

rect-fired heating/makeup air systems. As with any gas burning

equipment, regular maintenance procedures are required to en-

sure continued safety, reliability and efficiency of the installa-

tion.

If service is required, this system should be serviced only by a

qualified service person. Service information in this booklet is

intended as a guideline for a qualified gas-fired equipment ser-

vice person.

Page

MAINTENANCE

SECTION ...................... 2-4

Configuration ................................. 2

Maintenance Schedule ................... 2

1A. Blower Bearings .............................. 3

1B. Blower Belts ................................... 3

2. Filters ................................................. 3

3. Manifold Gas Pressure ...................... 3

4. Air Pressure ....................................... 4

5. Circuit Indicator Board (check lights) 4

6. Main Burner and Pilot Assembly ...... 4

OPERATION/SERVICE

SECTION ................... 5-15

Controls - Location ....................... 5

7. Electronic Circuit Board with

Diagnostic Lights.............................. 5

TABLE OF CONTENTS

KEEP THIS BOOKLET

FOR MAINTENANCE AND

SERVICE REFERENCE.

References: Installation Manual, Form RZ 441

Replacement Parts Manual, Form RZ 741

Mfg No. 161442

Applies to: Model Series DV

INDOOR OR OUTDOOR, GAS,

DIRECT-FIRED, MAKEUP AIR/

HEATING SYSTEMS

(Specifications subject to change without notice.)

Operation/Maintenance/Service

Form RZ-NA 441-OMS

Page

8. Temperature Limit Safety Controls ... 5

•Manual Reset Limit Control ........... 5

•Emergency Cut Off Limit Control .. 6

9. Air Pressure Switches ........................ 6

•Low Air Flow Switch ...................... 6

•High Air Flow Switch ...................... 6

•Bypass Damper (Optional) Air

Flow Switches ................................ 6

10. Ignition System ................................ 6

11. Gas Train Including Direct-Fired

Burner, Gas Control Systems,

Manifold Arrangements and Gas

Pressure Switches ............................. 7

•Direct-Fired Burner ........................ 7

•Makeup Air Gas Control Systems .. 7

•Electronic Modulation Gas Control

Options AG30, AG31, AG32,

AG33, AG35, AG36 ...................... 7

•Electronic Modulation Gas Control

Option AG37 ................................. 7

Page

•Manifold Arrangements ................. 8

•Gas Pressure Switches .................... 8

12. Outside Air Ambient Cutoff ............ 8

13. Door Switch ..................................... 9

14. Inlet Air Controls ............................ 9

•Air Flow Dampers ........................... 9

•Damper Motor ................................. 9

•Potentiometer .................................. 9

•Pressure Null Switch ....................... 9

•Photohelic Pressure Switch ........... 10

15. Dirty Filter Switch ......................... 10

16. Photoelectric Smoke Detector ....... 10

17. Firestat ........................................... 10

18. Freezestat ....................................... 10

19. Troubleshooting ............................. 11

Chart 1 - General Troubleshooting

Guide (Check the diagnostic lights on

the circuit board)

Index ................................................... 12

C E R T I F I E D

1 2 3 4 5 6 ... 11 12

Inhaltsverzeichnis

Seite 1 - SERVICE REFERENCE

Page 1FOR YOUR SAFETYWARNING: The use and storage of gasoline orother flammable vapors and liquids in the vicinityof this appliance is hazardous.If yo

Seite 2 - Maintenance Schedule

Page 1015. Dirty Filter SwitchLocation: Switch is located in themain electrical box (See Figure 7);sensor tubes run to either side ofthe filter rack;

Seite 3 - 3/4 (19mm)

Page 1119. TroubleshootingChart 1 - General Troubleshooting Guide (Check the diagnostic lights on the circuit board)Symptom or Problem Cause and Remed

Seite 4

Page 12Index ... PageAir Pressure ... 4Air Pressure Switches

Seite 5 - Operation/Service Section

Page 2Maintenance SectionThis direct-fired makeup air system is designed to require only a minimumamount of maintenance. Some maintenance procedures o

Seite 6 - 10. Ignition System

Page 3Inlet Pressure TapValveValveRegulatorManifold Pressure TapGasSupplyPilotRegulatorPilot Solenoid ValvePilot Pressure Tap 3. Manifold Gas Pressure

Seite 7 - Pressure Switches

Page 4 4. Air PressureProfile plate sensing tubes should be checked quarterly and cleaned noless than semiannually. If the sensing tubes become even p

Seite 8 - Arrangements (cont'd)

Page 5Operation/Service SectionControls - Location, Operation, and ServiceTo service this system, it is necessary to understand the normal operationof

Seite 9

Page 610. Ignition SystemLocation: Ignition Controller Module in the Control CompartmentElectrical Box (See Figures 7 and 13.); Ignitor and Flame Sens

Seite 10

Page 7For troubleshooting guides and further explanation of Maxitrol Series 14 and44 electronic modulation gas control systems, refer to the Maxitrol

Seite 11 - 19. Troubleshooting

Page 812. Outside Air Cutoff Control (Option BN2;required on C.G.A.-certified units)Location: The control is in the electricalbox (See Figure 7.); the

Seite 12

Page 913. Door Switch (Option BX1; required onC.G.A.-certified units)Location: The control is installed on an over-head door opening to control the op

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Thomas-betts RZ-NA 441-OMS Bedienungsanleitung

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